UCLALIB-157: edit icon readme file for clarity.
UCLALIB-157: edit icon readme file for clarity.

shridharsahil/libraryweb-site,shridharsahil/libraryweb-site,shridharsahil/libraryweb-site,shridharsahil/libraryweb-site,shridharsahil/libraryweb-site